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Bryoria Brodo & D. Hawksw. (1977)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Elix J. A. (95-06-01) and Scholz P. (02-05-13); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 45. Bryoria. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Type: Bryoria trichodes (Michx.) Brodo & D. Hawksw.

Taxonomic Literature: Brodo I.M. & Hawksworth D.L., Op. Bot. Soc. Bot. Lund 42: 1-164

(1977); Common R.S. & Brodo I.M., The Bryologist 98: 189-206

(1995); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-
662
[42-44], Wellington (1985); Purvis O.W. in: Purvis O.W. et al.
(eds),
The Lichen Flora of Great Britain and Ireland, London
(1992); Ryan B.D. in: Nash T.H. III et al. (eds), Lichen Flora of the
Greater Sonoran Desert Region vol. 1: 109-114, Tempe (2002).

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, New Zealand, Sonoran Desert, Sweden and Norway, United States and Canada (continental), and Republic of South Africa.

Ecology: Biotroph; lichenized; lignicolous or corticolous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; chlorococcal. Primary photobiont taxonomy: Trebouxiophyceae, Eukariota. Secondary photobiont absent.

Thallus: Fruticose, not subdivided parts. Upper Surface: Grey, brown, or olive; special structures absent or present:; not pseudocyphellate or pseudocyphellate; eciliate; without hairs; not sorediate or sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by holdfasts; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming all across the thallus surface or directly at the thallus margin, soon sessile. Margin: Distinct to prominent; external filaments absent. Exciple: White. Periphyses: Absent. Epithecium: Apical cells yellow, brown, hyaline, or brownish yellow. Hymenium: Iodine reaction: Lugol’s positive. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex; dehiscence lecanoralean; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, globose, broadly ellipsoid, or ellipsoid, 4-12-(14) µm long, (2.5)-4-7.5 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed.

Conidia: Fusiform or bacilliform; aseptate.

Secondary Metabolites: Of the following substance class(es): orcinol depsides, orcinol depsidones, ß-orcinol depsides, ß-orcinol depsidones, and benzyl esters.

(report generated 04.Okt.2007)


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